3406E, C-10 and C-12 On-highway Engines Caterpillar


0102-04 Boost Pressure voltage low (25)

Usage:

3406E 1LW
产生此代码的情况:

发动机控制模块 (ECM) 检测到以下情况:

  • 来自增压压力传感器的信号电压低于 0.2 VDC 超过 1 秒。

  • ECM 至少已通电两秒钟。

系统响应:

ECM 将记录诊断代码并触发快照。 该诊断代码为激活状态的同时,检查发动机指示灯亮起。 ECM 将 100 kPa (14.5 psi) 默认为增压压力。

注: 在卡特彼勒电子技师 (ET) 上显示出来的增压压力等于增压压力默认值减去大气压力。

当此诊断代码为激活状态时,发动机将会出现动力不足。

测试步骤 1. 进行以下的诊断步骤: 发动机压力传感器开路或短路 - 测试

结果:

  • 正常 - 停止

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